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Nanomachines moléculaires : le mouvement à l'échelle nano / André Gourdon

Nanomachines moléculaires : le mouvement à l'échelle nano / André Gourdon. In "Images & mirages @ nanosciences", colloque international organisé par le Laboratoire Interdisciplinaire Solidarités, Sociétés, Territoires (LISST) de l'Université Toulouse II-Le Mirail, le Centre d'Élaboration de Matériaux et d'Études Structurales (CEMES) rattaché à l'Institut de Physique du CNRS et le Laboratoire de Physique et Chimie de Nano-Objets (LPCNO) de l'INSA Tou
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Jobs picture still alarming
Sept 8 - Summary of business headlines: Jobless claims rise; Trade deficit narrows; Mortgage rates drop to record lows; Apple battles Samsung in Japan. Bobbi Rebell reports.
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1.4.4: The mean

The second measure of location defined in this course for a collection of data is the mean. Again, to be precise, we are discussing the sample mean, as opposed to the population mean. This is what most individuals would understand by the word ‘average’. All the items in the data set are added together, giving the sample total. This total is divided by the number of items (the sample size).


Author(s): The Open University

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Copyright © 2016 The Open University

Project Earth: South Tyrol - In The Trail Of The Alpine Ibex
Dr. Hans Joechler visits the Alps and South Tyrol Part 1, where he follows the Alpine Ibex. Park rangers follow different animals to make sure they are healthy and thriving in this region.  Some animals seen in this video include the Alpine Ibex, Golden Eagle, Marmots, and huge Red Deer. (26:00)
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A Rotating False Color View of the Martian South Pole from MOLA: New Color Map
This is one of a series of visualizations showing false-colored renderings of the Martian topography measured by MOLA in the vicinity of the Mars Polar Lander landing site.
Author(s): David Smith,Greg Shirah,Tom Biddlecome

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Communications in Slow-Moving Crises
What’s a journalist to do when a major story must be coaxed reluctantly into public view, or emerges on what seems like a geological time scale? These panelists discuss how to approach slowly evolving but urgent stories at a time when news coverage has shifted inexorably from print and its variable deadlines to the constant, repeti
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Coloring Easter Eggs With Kids
This two minute video provides a brief overview on  how to make homemade dye, and try out some alternative ways to decorate Easter eggs. Several tips are offered. (02:03)
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Station Crew Spots Irene
An Expedition 28 crew member aboard the International Space Station captured this video of Tropical Storm Irene on August 28 at 4:09 p.m. EDT as it moved over the east coast of the United States.
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Evaluating and Distinguishing Primary and Secondary Source Material
Gayle Griggs
This module defines primary and secondary sources, offers examples of each, and provides criteria for distinguishing between these two types of sources. In addition, the module offers strategies […]

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Materials with specific optical properties based on azo-compounds
Materials with specific optical properties based on azo-compounds, Lecture I, Galante, Maria José, Institute of Materials Science and Technology (INTEMA), Argentina
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Yeast Mine: Editing templates
Step-by-step instructions on how to edit a YeastMine template, from Saccharomyces Genome Database (SGD).
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Teaching & Writing : How Can I Improve My Study Habits?
To improve study habits, take detailed notes during class, organize and transcribe the notes into a separate notebook and do a manageable amount of homework daily. This 2:30 video is done with a narrator, but  there aren't any examples of note taking given. Small breaks, keeping current, and using an audio recorder are offered.
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Prime Factorization
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A Mother and Son Talk about Bookshare
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privacy versus veiligheid
You can follow a radio report on a business event
Author(s): Vlaams Ministerie Van Onderwijs En Vorming

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4.5 More about covalent bonding

So far, the valencies in Table 1 have just been numbers that we use to predict the formulae of compounds. But in the case of covalent substances they can tell us more. In particular, they can tell us how the atoms are linked together in the molecule. This information is obtained from a two-dimensional drawing of the structural form
Author(s): The Open University

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Copyright © 2016 The Open University

Will the Yuan’s Fall Force China to Re-energize Reforms?
Following last week’s devaluation of the yuan, the focus is shifting to structural impediments China faces on its path to reforms.
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El Nino Sea Surface Temperature and Height Anomaly on a Globe: January 1997 through August 1998
An animation of sea surface temperature and sea surface height anomalies in the Pacific Ocean for the period January 1997 through August 1998. The data is shown on a rotating globe.
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MIT's L2L Program
L2L is a unique leadership development program for leaders from the MIT community. L2L Fellows partner with senior leaders and MIT faculty in a proactive and systematic effort to build MIT's internal leadership capability. Underlying Leader to Leader is the belief that leadership development is a shared responsibility, a partnership between the Institute and the L2L Fellows. Thus leadership skills are developed within the context of MIT's culture and aligned to the strategic needs of the Institu
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Introduction to Hemispheric Studies
AnaMaria Seglie
This module provides a brief introduction to hemispheric studies. It works through examples of how a hemispheric approach can be employed and overviews the direction of the field. Finally, this […]

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